Q1. A car travels at 60 km/h for 4 hours. How far does it travel (in km)?
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Answer: C. 240
Distance = 60 × 4 = 240 km.
Speed, Time and Distance Questions for SSC CGL (with Answers)
69 Speed, Time and Distance MCQs from the Quantitative Aptitude section, with answers and short explanations.
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Q2. A car travels at 45 km/h for 3 hours. How far does it travel (in km)?
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Answer: C. 135
Distance = 45 × 3 = 135 km.
Q3. A truck covers 198 km in 6 hours. What is its average speed?
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Answer: C. 33 km/h
Speed = 198/6 = 33 km/h.
Q4. A truck covers 153 km in 3 hours. What is its average speed?
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Answer: A. 51 km/h
Speed = 153/3 = 51 km/h.
Q5. A truck covers 270 km in 5 hours. What is its average speed?
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Answer: D. 54 km/h
Speed = 270/5 = 54 km/h.
Q6. A car travels at 87 km/h. How far will it travel in 6 hours?
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Answer: A. 522 km
Distance = 87 × 6 = 522 km.
Q7. A bus travels at 42 km/h. How far will it travel in 2 hours?
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Answer: B. 84 km
Distance = 42 × 2 = 84 km.
Q8. A motorcycle travels at 69 km/h. How far will it travel in 3 hours?
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Answer: D. 207 km
Distance = 69 × 3 = 207 km.
Q9. A bus covers 156 km in 4 hours. What is its average speed?
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Answer: B. 39 km/h
Speed = 156/4 = 39 km/h.
Q10. A truck covers 264 km in 4 hours. What is its average speed?
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Answer: C. 66 km/h
Speed = 264/4 = 66 km/h.
Q11. Convert 99 km/h into m/s.
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Answer: C. 27.5 m/s
99 × 5/18 = 27.5 m/s.
Q12. Convert 180 km/h into m/s.
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Answer: A. 50 m/s
180 × 5/18 = 50 m/s.
Q13. Convert 144 km/h into m/s.
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Answer: A. 40 m/s
144 × 5/18 = 40 m/s.
Q14. Convert 108 km/h into m/s.
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Answer: A. 30 m/s
108 × 5/18 = 30 m/s.
Q15. A cyclist covers 132 km in 4 hours. What is its average speed?
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Answer: C. 33 km/h
Speed = 132/4 = 33 km/h.
Q16. Convert 162 km/h into m/s.
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Answer: B. 45 m/s
162 × 5/18 = 45 m/s.
Q17. Convert 126 km/h into m/s.
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Answer: D. 35 m/s
126 × 5/18 = 35 m/s.
Q18. Convert 45 km/h into m/s.
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Answer: C. 12.5 m/s
45 × 5/18 = 12.5 m/s.
Q19. Convert 54 km/h into m/s.
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Answer: B. 15 m/s
54 × 5/18 = 15 m/s.
Q20. Convert 81 km/h into m/s.
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Answer: A. 22.5 m/s
81 × 5/18 = 22.5 m/s.
Q21. A motorcycle travels at 42 km/h. How far will it travel in 3 hours?
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Answer: A. 126 km
Distance = 42 × 3 = 126 km.
Q22. Convert 18 km/h into m/s.
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Answer: A. 5 m/s
18 × 5/18 = 5 m/s.
Q23. Convert 63 km/h into m/s.
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Answer: C. 17.5 m/s
63 × 5/18 = 17.5 m/s.
Q24. Convert 90 km/h into m/s.
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Answer: D. 25 m/s
90 × 5/18 = 25 m/s.
Q25. A car covers 450 km in 6 hours. What is its average speed?
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Answer: A. 75 km/h
Speed = 450/6 = 75 km/h.
Q26. A motorcycle travels at 42 km/h. How far will it travel in 5 hours?
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Answer: D. 210 km
Distance = 42 × 5 = 210 km.
Q27. Convert 72 km/h into m/s.
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Answer: C. 20 m/s
72 × 5/18 = 20 m/s.
Q28. A train 240 m long runs at 54 km/h. How many seconds does it take to cross a pole?
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Answer: D. 16
54 km/h = 15 m/s. Time = 240/15 = 16 s.
Q29. A train 240 m long runs at 36 km/h. How many seconds does it take to cross a pole?
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Answer: B. 24
36 km/h = 10 m/s. Time = 240/10 = 24 s.
Q30. A train 200 m long runs at 45 km/h. How long will it take to cross a platform 125 m long?
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Answer: C. 26 seconds
Speed = 45 × 5/18 = 12.5 m/s. Distance = 200 + 125 = 325 m. Time = 325/12.5 = 26 s.
Q31. A train 400 m long runs at 45 km/h. How long will it take to cross a platform 325 m long?
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Answer: A. 58 seconds
Speed = 45 × 5/18 = 12.5 m/s. Distance = 400 + 325 = 725 m. Time = 725/12.5 = 58 s.
Q32. A train 100 m long runs at 72 km/h. How long will it take to cross a platform 300 m long?
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Answer: C. 20 seconds
Speed = 72 × 5/18 = 20 m/s. Distance = 100 + 300 = 400 m. Time = 400/20 = 20 s.
Q33. A train 200 m long runs at 36 km/h. How long will it take to cross a platform 350 m long?
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Answer: A. 55 seconds
Speed = 36 × 5/18 = 10 m/s. Distance = 200 + 350 = 550 m. Time = 550/10 = 55 s.
Q34. A train 280 m long runs at 36 km/h. How long will it take to cross a platform 350 m long?
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Answer: C. 63 seconds
Speed = 36 × 5/18 = 10 m/s. Distance = 280 + 350 = 630 m. Time = 630/10 = 63 s.
Q35. A train 240 m long runs at 72 km/h. How long will it take to cross a platform 400 m long?
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Answer: A. 32 seconds
Speed = 72 × 5/18 = 20 m/s. Distance = 240 + 400 = 640 m. Time = 640/20 = 32 s.
Q36. A train 400 m long runs at 90 km/h. How long will it take to cross a platform 150 m long?
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Answer: A. 22 seconds
Speed = 90 × 5/18 = 25 m/s. Distance = 400 + 150 = 550 m. Time = 550/25 = 22 s.
Q37. A train 260 m long runs at 108 km/h. How long will it take to cross a platform 250 m long?
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Answer: D. 17 seconds
Speed = 108 × 5/18 = 30 m/s. Distance = 260 + 250 = 510 m. Time = 510/30 = 17 s.
Q38. Two cities are 420 km apart. Two cars start at the same time from the two cities towards each other at 22 km/h and 38 km/h. After how many hours will they meet?
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Answer: C. 7 hours
Time = 420/(22 + 38) = 7 hours.
Q39. A train 160 m long runs at 36 km/h. How long will it take to cross a platform 150 m long?
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Answer: B. 31 seconds
Speed = 36 × 5/18 = 10 m/s. Distance = 160 + 150 = 310 m. Time = 310/10 = 31 s.
Q40. Two trains of lengths 210 m and 140 m run in the same direction at 54 km/h and 72 km/h. How long will they take to cross each other completely?
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Answer: A. 70 seconds
Relative speed = 18 km/h = 5 m/s. Time = (210 + 140)/5 = 70 s.
Q41. Two cities are 210 km apart. Two cars start at the same time from the two cities towards each other at 42 km/h and 28 km/h. After how many hours will they meet?
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Answer: B. 3 hours
Time = 210/(42 + 28) = 3 hours.
Q42. Two trains of lengths 260 m and 110 m run in the same direction at 36 km/h and 72 km/h. How long will they take to cross each other completely?
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Answer: B. 37 seconds
Relative speed = 36 km/h = 10 m/s. Time = (260 + 110)/10 = 37 s.
Q43. A train 200 m long runs at 90 km/h. How long will it take to cross a platform 350 m long?
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Answer: A. 22 seconds
Speed = 90 × 5/18 = 25 m/s. Distance = 200 + 350 = 550 m. Time = 550/25 = 22 s.
Q44. Two cities are 390 km apart. Two cars start at the same time from the two cities towards each other at 35 km/h and 30 km/h. After how many hours will they meet?
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Answer: D. 6 hours
Time = 390/(35 + 30) = 6 hours.
Q45. Two trains of lengths 120 m and 160 m run in the same direction at 60 km/h and 72 km/h. How long will they take to cross each other completely?
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Answer: A. 84 seconds
Relative speed = 12 km/h = 3 1/3 m/s. Time = (120 + 160)/3 1/3 = 84 s.
Q46. Two cities are 270 km apart. Two cars start at the same time from the two cities towards each other at 47 km/h and 25 km/h. After how many hours will they meet?
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Answer: D. 3.75 hours
Time = 270/(47 + 25) = 3.75 hours.
Q47. Two trains of lengths 250 m and 140 m run in the same direction at 90 km/h and 108 km/h. How long will they take to cross each other completely?
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Answer: A. 78 seconds
Relative speed = 18 km/h = 5 m/s. Time = (250 + 140)/5 = 78 s.
Q48. Two cities are 390 km apart. Two cars start at the same time from the two cities towards each other at 25 km/h and 53 km/h. After how many hours will they meet?
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Answer: D. 5 hours
Time = 390/(25 + 53) = 5 hours.
Q49. A train 100 m long runs at 90 km/h. How long will it take to cross a platform 200 m long?
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Answer: C. 12 seconds
Speed = 90 × 5/18 = 25 m/s. Distance = 100 + 200 = 300 m. Time = 300/25 = 12 s.
Q50. A train 180 m long runs at 90 km/h. How many seconds does it take to cross a pole?
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Answer: C. 36/5
90 km/h = 25 m/s. Time = 180/25 = 36/5 s.
Q51. A train 100 m long runs at 54 km/h. How many seconds does it take to cross a pole?
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Answer: C. 20/3
54 km/h = 15 m/s. Time = 100/15 = 20/3 s.
Q52. A train 200 m long runs at 72 km/h. How many seconds does it take to cross a pole?
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Answer: A. 10
72 km/h = 20 m/s. Time = 200/20 = 10 s.
Q53. A man travels from A to B at 36 km/h and returns at 45 km/h. What is his average speed for the whole journey?
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Answer: A. 40 km/h
Average speed = 2 × 36 × 45/(36 + 45) = 40 km/h.
Q54. A man travels from A to B at 45 km/h and returns at 90 km/h. What is his average speed for the whole journey?
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Answer: A. 60 km/h
Average speed = 2 × 45 × 90/(45 + 90) = 60 km/h.
Q55. A man travels from A to B at 30 km/h and returns at 60 km/h. What is his average speed for the whole journey?
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Answer: D. 40 km/h
Average speed = 2 × 30 × 60/(30 + 60) = 40 km/h.
Q56. A man travels from A to B at 12 km/h and returns at 36 km/h. What is his average speed for the whole journey?
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Answer: C. 18 km/h
Average speed = 2 × 12 × 36/(12 + 36) = 18 km/h.
Q57. A man travels from A to B at 60 km/h and returns at 90 km/h. What is his average speed for the whole journey?
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Answer: C. 72 km/h
Average speed = 2 × 60 × 90/(60 + 90) = 72 km/h.
Q58. A man travels from A to B at 20 km/h and returns at 30 km/h. What is his average speed for the whole journey?
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Answer: A. 24 km/h
Average speed = 2 × 20 × 30/(20 + 30) = 24 km/h.
Q59. Two cities are 150 km apart. Two cars start at the same time from the two cities towards each other at 35 km/h and 25 km/h. After how many hours will they meet?
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Answer: D. 2.5 hours
Time = 150/(35 + 25) = 2.5 hours.
Q60. Two trains of lengths 150 m and 130 m run in the same direction at 36 km/h and 45 km/h. How long will they take to cross each other completely?
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Answer: A. 112 seconds
Relative speed = 9 km/h = 2.5 m/s. Time = (150 + 130)/2.5 = 112 s.
Q61. Two cities are 480 km apart. Two cars start at the same time from the two cities towards each other at 51 km/h and 29 km/h. After how many hours will they meet?
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Answer: B. 6 hours
Time = 480/(51 + 29) = 6 hours.
Q62. Two trains of lengths 220 m and 140 m run in the same direction at 45 km/h and 36 km/h. How long will they take to cross each other completely?
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Answer: D. 144 seconds
Relative speed = 9 km/h = 2.5 m/s. Time = (220 + 140)/2.5 = 144 s.
Q63. Two cities are 450 km apart. Two cars start at the same time from the two cities towards each other at 42 km/h and 48 km/h. After how many hours will they meet?
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Answer: C. 5 hours
Time = 450/(42 + 48) = 5 hours.
Q64. Two trains of lengths 110 m and 170 m run in opposite directions at 60 km/h and 108 km/h. How long will they take to cross each other completely?
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Answer: D. 6 seconds
Relative speed = 168 km/h = 46 2/3 m/s. Time = (110 + 170)/46 2/3 = 6 s.
Q65. Two cities are 120 km apart. Two cars start at the same time from the two cities towards each other at 68 km/h and 28 km/h. After how many hours will they meet?
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Answer: A. 1.25 hours
Time = 120/(68 + 28) = 1.25 hours.
Q66. Two trains of lengths 250 m and 130 m run in the same direction at 45 km/h and 36 km/h. How long will they take to cross each other completely?
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Answer: C. 152 seconds
Relative speed = 9 km/h = 2.5 m/s. Time = (250 + 130)/2.5 = 152 s.
Q67. Two cities are 450 km apart. Two cars start at the same time from the two cities towards each other at 40 km/h and 20 km/h. After how many hours will they meet?
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Answer: D. 7.5 hours
Time = 450/(40 + 20) = 7.5 hours.
Q68. Two trains of lengths 250 m and 110 m run in the same direction at 36 km/h and 54 km/h. How long will they take to cross each other completely?
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Answer: A. 72 seconds
Relative speed = 18 km/h = 5 m/s. Time = (250 + 110)/5 = 72 s.
Q69. Two cities are 270 km apart. Two cars start at the same time from the two cities towards each other at 24 km/h and 36 km/h. After how many hours will they meet?
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Answer: A. 4.5 hours
Time = 270/(24 + 36) = 4.5 hours.
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